GTS Mod 8 Difficult

Play an AI-generated podcast conversation about this lesson

What is the purpose of a tachometer generator in the compressor speed indicating system?

To indicate the engine's cooling system operation

To show the actual RPM or a percentage of the maximum engine speed (correct)

To display oil pressure

To indicate the oil temperature

Where is the tachometer generator usually mounted in relation to the engine?

On the cockpit indicator

On the engine accessory gearbox (correct)

On the oil pressure indicator

On the oil cooler outlet

What does the oil temperature indicator help determine about the aircraft?

Engine oil pressure

Performance of the oil cooling system (correct)

Imperial values calibration

Compressor speed

How is oil pressure indicated in most systems?

Using a pressure transmitter connected to an indicator Signup and view all the answers

What units of measurement is the oil temperature indicator typically calibrated in?

Degrees Celsius Signup and view all the answers

If an aircraft's cockpit indicator displays %RPM, what is being shown?

A percentage of the maximum engine speed Signup and view all the answers

What is the main purpose of engine cockpit indicators?

To monitor engine output or performance. Signup and view all the answers

Which two main performance instruments are used to monitor engine output?

Engine Pressure Ratio (EPR) and torque. Signup and view all the answers

What is the EPR formula used to calculate in the context of engine pressure ratio systems?

(Pt7 / Pt2) Signup and view all the answers

Which company uses station Pt2 and station Pt7 to identify EPR tap-off points in their engines?

Pratt & Whitney Signup and view all the answers

In a typical EPR system, what component generates a signal to the cockpit EPR indicator?

Pressure transmitter Signup and view all the answers

Which type of pressure is sensed and interpreted by a pressure transmitter in a typical EPR system?

Compressor inlet and turbine discharge pressures Signup and view all the answers

What is the purpose of gas temperature indicators in an aircraft engine?

To monitor gas temperature during engine start-up or take-off Signup and view all the answers

How does a multi-probe system ensure accurate temperature sensing in an aircraft engine?

By averaging the signal from different temperature probes at a terminal block Signup and view all the answers

What is the function of a fuel flow transmitter in an aircraft system?

To measure the amount of fuel being used by the engine Signup and view all the answers

Why are multiple temperature probes used in an engine gas temperature indicating system?

To provide accurate temperature sensing and reduce error possibilities Signup and view all the answers

Which component is crucial for monitoring engine performance during various flight phases?

Gasflow temperature indicators Signup and view all the answers

In an aircraft engine, what is the role of thermocouples in the temperature indicating system?

To average temperature signals before transmission to the indicator Signup and view all the answers